Technical Specifications:

1. Model: UR8HH
2. Type: Universal Protection Relay
3. Power Supply:
   • Rated Voltage: Operates over a broad range of input voltages, typically from 48V to 250V DC or 120V to 240V AC. Exact values should be confirmed with the datasheet.
   • Power Consumption: Details about power consumption and typical power requirements are provided in the datasheet.
4. Current Inputs:
   • CT Inputs: Designed to accept current transformer (CT) inputs. The relay supports various ranges of CT inputs depending on the application; specific ranges and accuracy details are available in the datasheet.
5. Communication Ports:
   • Ethernet: Supports Ethernet for network communication, enabling remote monitoring and integration with other systems.
   • RS-485: Provides a serial communication port for connection to other control and monitoring systems.
   • Optional Ports: May include additional communication options like USB or fiber optics depending on configuration and requirements.
6. Dimensions: Typically designed to fit standard panel mountings. Specific dimensions and mounting details are included in the datasheet.
7. Environmental Conditions:
   • Operating Temperature: Generally operates within a temperature range of -20°C to +60°C.
   • Humidity: Designed to function in environments with relative humidity up to 95% non-condensing.

Functional Features:

1. Protection Functions:
   • Overcurrent Protection: Provides protection against overcurrent conditions with user-configurable settings.
   • Differential Protection: Measures the difference in current between two or more points to detect faults within a protected zone.
   • Distance Protection: Measures the impedance to protect against faults occurring at various distances from the relay.
   • Frequency Protection: Monitors and provides protection against abnormal frequency conditions.
   • Voltage Protection: Includes undervoltage and overvoltage protection functions.
   • Phase and Ground Fault Protection: Detects and responds to phase and ground faults to ensure system integrity.
2. Control Functions:
   • Automation: Facilitates automated switching and control operations.
   • Programmable Logic: Offers programmable logic capabilities for custom protection schemes and control strategies.
3. Monitoring and Diagnostics:
   • Real-Time Monitoring: Provides real-time data on electrical parameters such as voltage, current, power, and frequency.
   • Event Logging: Logs operational events, alarms, and fault conditions for detailed analysis.
   • Alarms and Notifications: Configurable alarms for various fault conditions and system anomalies.
4. User Interface:
   • Display: Equipped with an LCD or similar display for local setup, monitoring, and diagnostics.
   • Software Tools: Compatible with GE’s suite of configuration and diagnostic software for comprehensive system management.

Applications:

1. Industrial Protection:
   • Machinery and Equipment: Used for protecting industrial machinery and equipment from electrical faults and disturbances.
   • Control Panels: Applied in control panels to ensure the reliable operation of industrial processes.
2. Utility Protection:
   • Substation Protection: Protects electrical substations and associated distribution networks.
   • Grid Protection: Enhances the reliability and stability of power grids.
3. Commercial Buildings:
   • Power Distribution: Provides protection for power distribution systems in commercial buildings.
   • Critical Infrastructure: Safeguards critical electrical systems and infrastructure.
4. Power Generation:
   • Generator Protection: Ensures reliable operation and protection of power generation equipment.

Additional Information:

• Software Compatibility: Integrates with GE’s protection and control software for detailed configuration, monitoring, and analysis.
• Installation: Designed for easy installation in standard control panels or enclosures; detailed installation instructions are provided in the product manual.
• Certification and Compliance: Complies with industry standards and certifications for safety, performance, and electromagnetic compatibility (EMC).